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71161103 = 1323237997
BaseRepresentation
bin1000011110111…
…01010100001111
311221220100200102
410033131110033
5121204123403
611021121315
71522600526
oct417352417
9157810612
1071161103
1137194432
121b9b923b
1311987180
1496454bd
1563a9b88
hex43dd50f

71161103 has 8 divisors (see below), whose sum is σ = 79967328. Its totient is φ = 62830944.

The previous prime is 71161091. The next prime is 71161109. The reversal of 71161103 is 30116117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71161103 - 214 = 71144719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71161109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118700 + ... + 119297.

It is an arithmetic number, because the mean of its divisors is an integer number (9995916).

Almost surely, 271161103 is an apocalyptic number.

71161103 is a deficient number, since it is larger than the sum of its proper divisors (8806225).

71161103 is a wasteful number, since it uses less digits than its factorization.

71161103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238033.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 71161103 is about 8435.7040607172. The cubic root of 71161103 is about 414.3947299826.

The spelling of 71161103 in words is "seventy-one million, one hundred sixty-one thousand, one hundred three".

Divisors: 1 13 23 299 237997 3093961 5473931 71161103